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Finding the Fourth Proportional to 8,159.08, 12,230.94 and 4,258.92

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Solution

The fourth proportional to 8,159.08, 12,230.94 and 4,258.92 is: 6,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.08 : 12,230.94 = 4,258.92 : x
  2. Step 2: Convert to fraction form
    8,159.08/12,230.94 = 4,258.92/x
  3. Step 3: Cross multiply
    8,159.08x = 12,230.94 × 4,258.92
  4. Step 4: Simplify right side
    8,159.08x = 52,090,594.98
  5. Step 5: Solve for x
    x = 52,090,594.98/8,159.08
  6. Step 6: Final answer
    x = 6,384.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.